3 sentences

1. 龙在中国文化中被视为吉祥的象征。

   lóng zài Zhōng​guó wén​huà zhōng bèi shì​wéi jí​xiáng de xiàng​zhēng.

   The dragon is seen as a symbol of good fortune in Chinese culture.

   Source: Dong Chinese Dictionary

2. 很多春联利用谐音来表达吉祥的寓意，比如“鱼”和“余”。

   hěn​duō chūn​lián lì​yòng xié​yīn lái biǎo​dá jí​xiáng de yù​yì, bǐ​rú“ yú” hé“ yú”.

   Many Spring Festival couplets use homophones to express auspicious meanings, such as 'fish' and 'surplus.'

   Source: Dong Chinese Dictionary

3. 古书中的这个那字表示数量很多，具有吉祥的寓意。

   gǔ​shū zhōng de zhè​gè nuó zì biǎo​shì shù​liàng hěn​duō, jù​yǒu jí​xiáng de yù​yì.

   In ancient books, this character 'na' signifies a large quantity and carries an auspicious meaning.

   Source: Dong Chinese Dictionary